import store from './store'
import { getToken } from '@/utils/auth'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // 水平进度条提示: 在跳转路由时使用
import 'nprogress/nprogress.css' // 水平进度条样式
import getPageTitle from '@/utils/get-page-title' // 获取应用头部标题的函数
// import Layout from '@/layout'
// import ParentView from '@/components/ParentView'
import router from "@/router";
// const _import = require('./router/_import_'+process.env.NODE_ENV) // 获取组件的方法

NProgress.configure({ showSpinner: false }) // NProgress Configuration
const whiteList = ['/loginUser','/'] // no redirect whitelist
router.beforeEach(async(to, from, next) => {
  NProgress.start()
  // set page title
  document.title = getPageTitle(to.meta.title)
  // determine whether the user has logged in
  const hasToken = getToken()
  if (hasToken) {
    if (to.path === '/loginUser') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {
      const hasGetUserInfo = store.getters.name
      if (hasGetUserInfo) {
        next()
      } else {
        try {
          // get user info
          await store.dispatch('user/getInfo')// 请求获取用户信息
          if (store.getters.name==null) {
            global.antRouter = []
            next()
          }
          let lastRou = [{ path: '*', redirect: '/404', hidden: true }]
          router.addRoutes(lastRou)
          next({
            ...to,
            replace: true
          })
          //next()
        } catch (error) {
          // remove token and go to login page to re-login
          console.log(error)
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else { /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => { // finish progress bar
  NProgress.done()
}) // // 遍历后台传来的路由字符串，转换为组件对象
// function filterAsyncRouter(asyncRouterMap) {
//   const accessedRouters = asyncRouterMap.filter(route => {
//     if (route.component) {
//       if (route.component === 'Layout') {
//         route.component = Layout
//       } else if (route.component === 'ParentView') {
//         route.component = ParentView
//       } else {
//         try {
//           route.component = _import(route.component)// 导入组件
//         } catch (error) {
//           debugger
//           console.log(error)
//           route.component = _import('dashboard/index')// 导入组件
//         }
//       }
//     }
//     if (route.children && route.children.length > 0) {
//       route.children = filterAsyncRouter(route.children)
//     } else {
//       delete route.children
//     }
//     return true
//   })
//   return accessedRouters
// }
